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The Grey Labyrinth

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Visit this site: http://www.greylabyrinth.com/

Author:Kevin Lin
Description: A collection of mind-benders in math and logic. When a solution to one puzzle is posted, another solution-less puzzle is added. With an archive of past puzzles, links to other puzzle-related sites, and a bibliography of works that inspired this site.

Levels: Middle School (6-8), High School (9-12)
Languages: English
Resource Types: Problems/Puzzles
Math Topics: Calendars/Dates/Time, Higher-Dimensional Geometry, Euclidean Plane Geometry, Logic/Foundations, Probability, Physics

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